Google: Nano Banana 2 (Gemini 3.1 Flash Image)
Image Generationgoogle/gemini-3.1-flash-imageNano Banana 2 (Gemini 3.1 Flash Image) is Google's state-of-the-art image generation and editing model, delivering Pro-level visual quality at Flash speed. Released on 2026-06-18, it is the GA version of gemini-3.1-flash-image-preview, combining advanced contextual understanding with fast, cost-efficient inference. It accepts image input alongside text prompts, so it handles both text-to-image generation and editing of existing images, and it can ground generations with web search. Available via OpenAI and Gemini protocols through Ofox.
Context Window
131K
Max Output Tokens
64K
Released
2026-06-18
Capabilities
VisionWeb Search
Available Providers
Vertex
Supported Protocols
openaigemini
Providers
Vertex
Input Tokens
$0.5/M
Output Tokens
$3/M
Output Image
$60/M
Web Search
$0.014/R
Protocols
openai
/v1/chat/completions/v1/images/generationsgemini
Code Examples
from google import genaiclient = genai.Client(api_key="YOUR_OFOX_API_KEY",http_options={"api_version": "v1beta", "base_url": "https://api.ofox.io/gemini"},)response = client.models.generate_content(model="google/gemini-3.1-flash-image",contents="Generate an image of a beautiful sunset over mountains",)print(response.text)
Related Models
Frequently Asked Questions
Google: Nano Banana 2 (Gemini 3.1 Flash Image) on Ofox.ai costs $0.5/M per million input tokens and $3/M per million output tokens. Pay-as-you-go, no monthly fees.
Google: Nano Banana 2 (Gemini 3.1 Flash Image) supports a context window of 131K tokens with max output of 64K tokens, allowing you to process large documents and maintain long conversations.
Simply set your base URL to https://api.ofox.io/v1 and use your Ofox API key. The API is OpenAI-compatible — just change the base URL and API key in your existing code.
Google: Nano Banana 2 (Gemini 3.1 Flash Image) supports the following capabilities: Vision, Web Search. Access all features through the Ofox.ai unified API.